.393" / 10.00mm .375" Sioux Valve Seat Grinding Pilots EC-10MM

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.393" / 10.00mm  .375" Sioux Valve Seat Grinding Pilots EC-10MM

Part#: EC-10MM
Reference chart below for more details of part# above.

See Chart below for complete list of other Valve Seat Aftermarket Expanding Pilots

Excellent for intermediate size guides.
Range of expansion will handle valve guides
from –.003” to +.017”. Available in .375”
(Rottler, Neway, B&D), .385” (Sioux) and
.437” (Kwik-Way) top sizes.


Inches mm .375" TOP SIZE .385" TOP SIZE .437" TOP SIZE
.236" 6.0 EC-236 ES-236 EK-236
.250" 6.35 EC-250 ES-250 EK-250
.256" 6.5 EC-256 ES-256 EK-256
.275" 7.0 EC-275 ES-275 EK-275
.312" 8.0 EC-312 ES-312 EK-312
.335" 8.5 EC-335 ES-335 EK-335
.343" 8.71 EC-343 ES-343 EK-343
.354" 9.0 EC-354 ES-354 EK-354
.375" 9.52 EC-375 ES-375 EK-375
.393" 10.00 EC-10MM ES-10MM EK-10MMnew-icon.jpg
.413" 10.50 EC-10.5MM ES-10.5MM EK-10.5MMnew-icon.jpg
.437" 11.10 EC-437 ES-437 EK-437
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